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Just 25% of the league (eight teams) made it through Week 2 undefeated. At least two more of those thus-far flawless clubs will be saddled with a loss in Week 3, barring ties: New England hosts Houston; Pittsburgh visits Philadelphia.

Many of the teams expected to be contenders headed into the season still fit that bill after a couple of games, but it's becoming clear that the NFL’s beloved parity is very much alive and well again in 2016.

As such, there has been significant movement in the Power Rankings beyond the top three teams.